Harmon has served in the state House since 2003 and represents Boyle and Casey counties.

"As your next auditor, I pledge to be tough, but fair, and always look out for Kentucky taxpayers first. I will work tirelessly in this race and build a broad bipartisan coalition to win in November," Harmon said in a release.

Democratic incumbent Adam Edelen is the only other candidate to have filed for auditor so far. The deadline to file for statewide office is 4 p.m. Jan. 27.